CN102301217A - Simplified Bullet-proof Material Tester And Impactor - Google Patents
Simplified Bullet-proof Material Tester And Impactor Download PDFInfo
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- CN102301217A CN102301217A CN2009801255880A CN200980125588A CN102301217A CN 102301217 A CN102301217 A CN 102301217A CN 2009801255880 A CN2009801255880 A CN 2009801255880A CN 200980125588 A CN200980125588 A CN 200980125588A CN 102301217 A CN102301217 A CN 102301217A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/08—Shock-testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
- G01N3/303—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated only by free-falling weight
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G5/00—Weighing apparatus wherein the balancing is effected by fluid action
- G01G5/003—Weighing apparatus wherein the balancing is effected by fluid action load-cell construction or mountings
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/001—Impulsive
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention relates to a simplified bullet-proof material tester and an impactor, wherein a clay case is mounted so that it is possible to obtain an impulse applied to a human body through the shape of clay according to an impulse which is not absorbed in an impact specimen, load cells are mounted in the clay case and a head so that it is possible to measure an impulse applied to a warhead and an impulse which is not absorbed in the impact specimen, and it is possible to carry out tests with the shape and the material of the warhead to be measured. Disclosed is an impactor, which includes: a warhead body (110) formed in the streamlined shape outside and applying an impact to an impact specimen (600) to test; a plurality of guide bars (120) formed in the cylindrical shape, and having hollow portions (122) formed in the centers thereof to be penetrated by a central bar (170) and grooves (121) formed at positions respectively corresponding to a plurality of fixing bars (130) to be penetrated by the fixing bars (130); a weight (140) formed in the cylindrical shape, having a hollow portion (141) to be penetrated by the central bar (170) and a plurality of fixing portion grooves (142) to be penetrated by the fixing bars (130) in the respectively corresponding fixing portion grooves (142), and capable of controlling weight for increasing impact energy at the time of dropping; a head (160) coupled with the warhead body; the fixing bars (130) formed in the long cylindrical shape and penetrating the respectively corresponding fixing portion grooves (142) of the weight (140) and the respectively corresponding grooves (121) of the guide bars (120); and the central bar (170) formed in the long cylindrical shape with a connection hook (171) for fixing the impactor at the upper portion thereof for freely dropping the impactor, penetrating the hollow portions of the guide bars (120) and the weight (140), and coupled with the head (160) at the lower portion thereof. In addition, a simplified bullet-proof material tester is provided, in which an impulse applied to an impact specimen to test is measured using the impactor when the warhead body collides with the impact specimen.
Description
Technical field
The present invention relates to shellproof proving installation of a kind of laboratory scale and percussion mechanism, relate in particular to shellproof proving installation of a kind of laboratory scale and percussion mechanism, comprise a clay vessel that loam moulding is provided, be used to bear and do not absorbed and be applied to impulsive force on the wearer's body by sample; Be installed in the force cell in clay vessel and the impact head, be used to measure impulsive force that is applied on the bullet and the impulsive force that is not absorbed by sample.
Background technology
Generally speaking, impulse test is divided into the impulse test of assessment material performance and the impulse test of assessment product.A specific sample of the impulse test materials used of assessment material performance and product development stage is come the impact resistance of assessment material, and in this case, the data of using above-mentioned test method to obtain are selected material and determined the shape of product.Usually, use Hopkinson bar (Hopkinson bar) to test high rate of strain, use Charpy-type test device (Charpy impact testing apparatus) to test impulsive force.Except that above-mentioned testing equipment, much utilize the impact test equipment of weight whereabouts or use air gun in addition.Above-mentioned test method see KS test standard handbook (handbooks of KS test standard) or ASTM handbook (American Society for Testing and Materials, American Society for Testing and Materials) for details.
In addition, in the Qualify Phase after the product design stage, carry out an impulse test to some parts of actual finished product or product.In the case, use the special-purpose impact testing machine of conventional whereabouts impact testing machine or product to carry out impulse test.Verify the performance of material withstand shock load by rate of strain and strain.
When the design bullet-proof vest, owing to traditional impact test equipment employing is that the bullet analog is not suitable for being used for measuring being applied to the impulsive force on the bullet and being applied on the sample (bullet-proof vest) and the impulsive force on the wearer's body.And MILSTD-662 (MIL-STD-662), NATO standardization agreement 2920 (NATO STANAG 2920) and ballistic standard (NIJ) are main and be generally used for impulse test (ballistic tests).The equipment that is used for impulse test (ballistic tests) comprises bullet transmitter, bullet velocity measuring device and experimental facilities support.But there are some problems in traditional impact test equipment, the one, because traditional impact test equipment adopts real sub warhead, the installation cost of testing equipment is very high; Safe owing to requiring in addition, so installation test equipment is higher with test impact property difficulty.Simultaneously, by tension force, compression and the rubbing characteristics of studying shellproof textile, relation between shellproof textile tension force, compression and friction characteristic and the impact property is carried out the trial sex investigation, but be to use traditional testing equipment to be difficult to measure the impulsive force that actual bullet produces.
Summary of the invention
At the above-mentioned problems in the prior art, the object of the present invention is to provide shellproof proving installation of a kind of laboratory scale and percussion mechanism, comprise that one is installed in the built-in motor of the impact head inside of percussion mechanism, be used to drive the bullet rotation, thereby repetition uses the freely falling body mode in ballistic standard IIIA (NIJ IIIA) standard that bullet is mapped on the sample, and the kinetic energy of bullet is converted into the situation of potential energy.
To achieve these goals, the technical solution used in the present invention is as follows:
The shellproof proving installation of a kind of laboratory scale comprises: a guide pipe is used to guide the path of whereabouts bullet; One air compressor is used for providing in gun barrel air to accelerate the initial falling speed of bullet;
The gun barrel of one fixing concurrent projectile head, when air compressor provides air pressure, gun barrel emission bullet;
One clay vessel (clay container) passes to the clay deformation quantity that clay causes because of the impulsive force that is not absorbed by sample when being used to measure the bullet impinge on sample; Bullet is streamlined, falls when bullet has initial velocity, applies impulsive force to sample.
An alternative embodiment of the invention the invention provides the shellproof proving installation of a kind of laboratory scale, comprising: a guide pipe is used to guide the path of whereabouts percussion mechanism; One clay vessel passes to the deformation quantity that impact load caused of sample when being used to measure the bullet impinge on sample; One percussion mechanism is used for free-falling.
Percussion mechanism comprises: have fairshaped bullet, be used for impinge on sample; A plurality of cylindrical orienting lugs, each orienting lug center all have an orienting lug opening that is used to pass center-pole, and each orienting lug has a plurality of perforates, and position of opening is corresponding with a plurality of fixed bars, is used for fixing passing of bar; A plurality of cylindrical pouring weights, each pouring weight center all have a pouring weight opening that is used to pass center-pole, and each pouring weight has a plurality of perforates, position of opening is corresponding with a plurality of fixed bars, be used for fixing passing of bar, pouring weight is used to control weight, is used for increasing when bullet falls the impact energy of bullet; One impact head links to each other with bullet; A plurality of fixed bars have oval mast type, pass the pouring weight perforate of pouring weight and the orienting lug perforate of orienting lug; Oval mast type center-pole, central post top portion has an abutment ring, is used for fixing percussion mechanism, is used to allow the percussion mechanism free-falling, and center-pole passes the opening on orienting lug and the pouring weight, and impact head is connected to the center-pole bottom.
Impact head has streamlined, and the rotation that a built-in motor is used to drive bullet is installed in the impact head.
Further, the shellproof proving installation of laboratory scale also comprises the sample that is installed on the guide pipe below, sample is used for bumping with the bullet that falls, wherein sample is by aromatic polyamide fibre (polyaramid fiber), PE (tygon) fiber, PBO (polybenzoxazoles, Polybenzoxazole) fiber, carbon fibre, glass fibre or ceramic fiber are made, and the form of sample braiding is selected from the mixed structure into a kind of or above-mentioned fabrics in textile, fabric, UD fabric (uniaxial orientation fabric), nonwoven fabrics and the compound substance.
Clay vessel comprises a force cell, is used to measure do not absorbed by sample when bullet impacts and pass to the impulsive force of clay.
The shellproof proving installation of laboratory scale further comprises a safety sensor, is used for detecting whether sample is installed.
The shellproof proving installation of laboratory scale comprises that also one is installed on the speed pickup on guide pipe surface, is used to measure the falling speed of bullet.
The shellproof proving installation of laboratory scale comprises that also is used to drive the motor that clay vessel rotates.
A plurality of gathering sills are all arranged on each orienting lug, be used to reduce the resistance that produces with air.
A kind of material that bullet is selected from lead, lead alloy, copper, iron, tungsten or the heat-treated steel is made.
Bullet that the shellproof proving installation of laboratory scale of the present invention uses and real bullet have identical appearance and material, can measure the impulsive force that is applied on the sample similar to true bullet-proof vest.In addition, can drive the bullet rotation because the present invention is installed in the built-in motor of percussion mechanism impact head inside, the shellproof proving installation of laboratory scale of the present invention can reproduce the real situation of bullet impinge on sample.
In addition, clay vessel provides a clay model, is used to bear do not absorbed by sample and be applied to impulsive force on the bullet-proof vest wearer's body.
In addition, owing at clay vessel and impact head inside force cell is housed, the shellproof proving installation of laboratory scale can be measured impulsive force that is applied on the bullet and the impulsive force that is not absorbed by sample.
Traditional impulse test adopts real bullet, so cost is very high, and the shellproof proving installation cost of laboratory scale of the present invention is lower, and allows to repeat multiple shock test.In addition, the shellproof proving installation of laboratory scale of the present invention can be realized low speed and high speed impact test, and can control impact strength by the profile of change bullet and the quantity of material, position and pouring weight.
Description of drawings
In order to understand above-mentioned purpose of the present invention and other purpose, feature and advantage better, below in conjunction with accompanying drawing the specific embodiment of the present invention is described in detail, wherein:
Fig. 1 is the side view of the shellproof proving installation embodiment 1 of laboratory scale of the present invention;
Fig. 2 is the side view of the shellproof proving installation embodiment 2 of laboratory scale of the present invention;
Fig. 3 is the skeleton view of percussion mechanism of the present invention;
Fig. 4 is the skeleton view after percussion mechanism of the present invention decomposes;
Fig. 5 is the cut-open view of percussion mechanism of the present invention;
Fig. 6 is that percussion mechanism is in the shellproof proving installation of embodiment 1 laboratory scale during free-falling and the constitutional diagram of sample before impacting;
Fig. 7 is percussion mechanism constitutional diagram after impinge on sample during free-falling in the shellproof proving installation of embodiment 1 laboratory scale;
Fig. 8 is percussion mechanism constitutional diagram of clay vessel after impinge on sample during free-falling in the shellproof proving installation of embodiment 1 laboratory scale.
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is done and to describe in further detail.
Fig. 1 is the side view of the shellproof proving installation embodiment 1 of laboratory scale of the present invention.An embodiment of the shellproof proving installation of laboratory scale when embodiment 1 is the percussion mechanism free-falling.See shown in Figure 1ly, the shellproof proving installation of laboratory scale of the present invention comprises guide pipe 500, sample 600, clay vessel 400 and percussion mechanism 100.
Fig. 2 is the side view of the shellproof proving installation embodiment 2 of laboratory scale of the present invention.Embodiment 2 is pack into embodiment of gun barrel shellproof proving installation of laboratory scale when being launched of bullet.See shown in Figure 2ly, the shellproof proving installation of laboratory scale comprises guide pipe 500, air compressor 200, gun barrel 300, sample 600, clay vessel 400 and bullet 110 among the embodiment 2.The shellproof proving installation of laboratory scale comprises air compressor 200 and the gun barrel 300 that is used to launch bullet 110 among the embodiment 2.
Below, will describe in detail the structure of the shellproof proving installation of laboratory scale among embodiment 1 and the embodiment 2.The track of guide pipe 500 guiding percussion mechanisms 100 free-fallings.Guide pipe 500 adopts thin-walled hollow columnar structured, has the passage of hollow parts 510 as percussion mechanism 100.
Air compressor 200 provides gas to gun barrel, is used to increase the initial falling speed of the bullet 110 of percussion mechanism 100.Gun barrel 300 is fixed bullet 110, when air compressor 200 provides air pressure, and gun barrel 300 emission bullets 110.Sample 600 is installed in guide pipe 500 belows, with the bullet 110 generation collisions of free-falling.Sample 600 by aromatic polyamide fibre (polyaramid fiber), PE (tygon) fiber, PBO (polybenzoxazoles, Polybenzoxazole) make by fiber, carbon fibre, glass fibre or ceramic fiber.Preferably, the form of sample 600 braidings can be selected from a mixed structure of a kind of or above-mentioned fabrics in textile, fabric, UD fabric (uniaxial orientation fabric), nonwoven fabrics and the compound substance.
During bullet 110 impinge on sample 600, clay vessel 400 is measured because of not absorbed the clay deformation quantity that impulsive force caused that passes to clay 420 by sample.As preferably, clay vessel 400 preferably includes force cell 410, when being used to measure bullet 110 impinge on sample because of not absorbed the impulsive force that passes to clay by sample.In addition, motor 940 is housed below clay vessel 400, when motor 940 rotates, drive clay vessel 400 and rotate, adopt this structure, the real situation when the present invention can closely reproduce true bullet impinge on sample with the sample 600 that clay vessel 400 connects.Bullet 110 is equipped with in the lower end of percussion mechanism 100, and percussion mechanism 100 free-fallings also bump with sample 600.
In addition, the shellproof proving installation of laboratory scale of the present invention also can further comprise: a safety sensor 800 is used for detecting whether sample 600 has been installed; One speed pickup 700 is installed in the surface of guide pipe 500, is used to measure the falling speed of bullet 110.
Meanwhile, the shellproof proving installation of laboratory scale can also not use percussion mechanism 100 to make bullet 110 landing.In such an embodiment, the shellproof proving installation of laboratory scale comprises air compressor 200 and gun barrel 300.Bullet 110 is inserted into to be installed on and enters ready state in the gun barrel, falls then.But, if adopt percussion mechanism 100 to make bullet 110 free-fallings, the shellproof proving installation of laboratory scale then of the present invention does not comprise air compressor 200 and gun barrel 300, with the structure that the gun barrel top of percussion mechanism has abutment ring 171 to link to each other with steel wire 930, steel wire 930 is installed on the plate 920 of bearing 900 tops.
In addition, the shellproof proving installation of laboratory scale can also comprise bearing 900 and support 910, and bearing 900 and support 910 are used to support the above-mentioned parts of mentioning.Bearing 900 is installed on guide pipe 500 1 sides.Bearing 900 can be square pole or thin plate.Support 910 is used for supporting more securely bearing 900.Support 900 is assembled by thin plate and elongated cylindrical bar.As long as can support bearing 900, support 910 can be taked any form.
Hereinafter impact device 100 is done more detailed description.Fig. 3 is the skeleton view of percussion mechanism of the present invention, and Fig. 4 is the skeleton view after percussion mechanism of the present invention decomposes, and Fig. 5 is the cut-open view of percussion mechanism of the present invention.See Fig. 3, Fig. 4, shown in Figure 5, percussion mechanism 100 comprises bullet 110, orienting lug 120, pouring weight 140, fixed bar 130, impact head 160 and center-pole 170.Bullet 110 is streamlined, is used for sample 600 is applied impulsive force.Bullet 110 is installed in impact head 160 bottoms.Preferably bullet 110 is processed into bullet shape sample 600 is applied impulsive force, the manufactured materials of sample 600 adopts and real bullet-proof vest identical materials.Bullet 110 can be selected for use by a kind of the making that is mainly used in lead, lead alloy, copper, iron, tungsten or the heat-treated steel of making bullet, so that reproduce the time of day of bullet.
Each pouring weight 140 is cylindrical, and pouring weight 140 centers have pouring weight opening 141 and are used to pass center-pole 170, and pouring weight 140 is provided with a plurality of pouring weight perforates 142, and the position of a plurality of pouring weight perforates 142 is corresponding with a plurality of fixed bar 130, is used to pass fixed bar 130.The effect of pouring weight 140 is the weight of control percussion mechanism, increases impact energy when falling with convenient bullet.Impact head 160 is streamlined, and bullet 110 is connected impact head 160 bottoms.As a kind of preferred, impact head 160 preferably includes the built-in motor 161 that drives bullet 110 rotations.When built-in motor 161 rotated, bullet 110 rotated thereupon, can build bullet inject with bullet-proof vest be the interior emulation sight of sample 600, thereby carry out impulse test.A plurality of impact head perforates 162 are arranged on the end face of impact head 160, be used for fixed bar 130 and impact head 160 are linked together.
Each fixed bar 130 is oval mast type, and fixed bar 130 passes pouring weight perforate 142 on the pouring weight 140 and the orienting lug perforate 121 on the orienting lug 120.Center-pole 170 is oval mast type, is connected with an abutment ring 171 that is used for fixing percussion mechanism at center-pole 170 tops, so that allow the percussion mechanism free-falling.Center-pole 170 passes orienting lug opening 123 on the orienting lug 120 and the pouring weight opening 141 on the pouring weight 140, and impact head 160 is connected to the bottom of center-pole 170 then.
The process of the test of the shellproof proving installation of various details laboratory scale.Fig. 6 is for sample impacting preceding constitutional diagram during free-falling for percussion mechanism in the shellproof proving installation of embodiment 1 laboratory scale; Fig. 7 is percussion mechanism constitutional diagram after impinge on sample during free-falling in the shellproof proving installation of embodiment 1 laboratory scale; Fig. 8 is percussion mechanism constitutional diagram of clay vessel after impinge on sample during free-falling in the shellproof proving installation of embodiment 1 laboratory scale.See shown in Fig. 6 to 8 that the shellproof proving installation of laboratory scale makes percussion mechanism free-falling, the impulsive force that is applied to the impulsive force on the sample and is not absorbed by sample 600 by the force cell measurement then.In addition, in order to reproduce the sight of bullet impinge on sample 600, the built-in motor 161 that is installed in the impact head 160 drives bullet 110 rotations, or is installed on the motor 940 driving samples and clay vessel 400 rotations of clay vessel 400 belows.See shown in Figure 8ly, when bullet impinge on sample 600, sample produces deformation, in the case the deformation quantity of measuring sample by the height (h) and the width (w) in measurement deformation district.Here, height and the width value surveyed are more little, and the impulsive force that is delivered on the bullet-proof vest wearer's body is weak more.
The shellproof proving installation of laboratory scale of the present invention can use the bullet measurement identical with material with the profile of real bullet to be applied to impulsive force on the sample similar to bullet-proof vest.In addition, because the inner built-in motor of installing of the impact head of percussion mechanism can drive the bullet rotation, the shellproof proving installation of laboratory scale of the present invention can also reproduce the real situation of bullet impinge on sample.
The present invention is described by specific embodiment, but the present invention is not subjected to the restriction of specific embodiment, and only is limited by the appended claims.If the those skilled in the art can change under the prerequisite that does not deviate from the scope of the invention and spirit or adjust specific embodiment, with indebted forever.
Claims (15)
1. shellproof proving installation of laboratory scale comprises:
One guide pipe is used to guide the path of whereabouts bullet;
One air compressor is used for providing in gun barrel air to accelerate the initial falling speed of bullet;
The gun barrel of one fixing concurrent projectile head, when air compressor provides air pressure, gun barrel emission bullet;
One clay vessel passes to the clay deformation quantity that clay causes because of the impulsive force that is not absorbed by sample when being used to measure the bullet impinge on sample;
Bullet is streamlined, falls when bullet has initial velocity, applies impulsive force to sample.
2. shellproof proving installation of laboratory scale comprises:
One guide pipe is used to guide the path of whereabouts percussion mechanism;
One clay vessel passes to the deformation quantity that impact load caused of sample when being used to measure the bullet impinge on sample;
One percussion mechanism is used for free-falling.
3. according to the shellproof proving installation of the described laboratory scale of claim 2, wherein percussion mechanism comprises:
Have fairshaped bullet, be used for impinge on sample;
A plurality of cylindrical orienting lugs, each orienting lug center all have an orienting lug opening that is used to pass center-pole, and each orienting lug has a plurality of perforates, and position of opening is corresponding with a plurality of fixed bars, is used for fixing passing of bar;
A plurality of cylindrical pouring weights, each pouring weight center all have a pouring weight opening that is used to pass center-pole, and each pouring weight has a plurality of perforates, position of opening is corresponding with a plurality of fixed bars, be used for fixing passing of bar, pouring weight is used to control weight, is used for increasing when bullet falls the impact energy of bullet;
One impact head links to each other with bullet;
A plurality of fixed bars have oval mast type, pass the pouring weight perforate of pouring weight and the orienting lug perforate of orienting lug;
Oval mast type center-pole, central post top portion has an abutment ring, is used for fixing percussion mechanism, is used to allow the percussion mechanism free-falling, and center-pole passes the opening on orienting lug and the pouring weight, and impact head is connected to the center-pole bottom.
4. according to the shellproof proving installation of the described laboratory scale of claim 3, wherein said impact head has streamlined, and the rotation that a built-in motor is used to drive bullet is installed in the impact head.
5. according to any shellproof proving installation of described laboratory scale of claim 1-4, the shellproof proving installation of described laboratory scale is further, also comprise the sample that is installed on the guide pipe below, sample is used for bumping with the bullet that falls, wherein sample is by aromatic polyamide fibre, PE (tygon) fiber, PBO (polybenzoxazoles) fiber, carbon fibre, glass fibre or ceramic fiber are made, and the form of sample braiding is selected from and is textile, fabric, UD fabric (uniaxial orientation fabric), the mixed structure of a kind of or above-mentioned fabrics in nonwoven fabrics and the compound substance.
6. according to claim 1, the shellproof proving installation of 3 or 4 described laboratory scales, wherein:
Clay vessel comprises a force cell, is used to measure do not absorbed by sample when bullet impacts and pass to the impulsive force of clay.
7. according to claim 1, the shellproof proving installation of 3 or 4 described laboratory scales, wherein: the shellproof proving installation of laboratory scale further comprises a safety sensor, is used for detecting whether sample is installed.
8. according to claim 1, the shellproof proving installation of 3 or 4 described laboratory scales, wherein: the shellproof proving installation of this laboratory scale comprises that also one is installed on the speed pickup on guide pipe surface, is used to measure the falling speed of bullet.
9. according to any shellproof proving installation of described laboratory scale of claim 1-4, wherein: the shellproof proving installation of this laboratory scale comprises that also is used to drive the motor that clay vessel rotates.
10. according to the shellproof proving installation of the described laboratory scale of claim 3, wherein: a plurality of gathering sills are all arranged on each orienting lug, be used to reduce the resistance that produces with air.
11. according to claim 1, the shellproof proving installation of 3 or 4 described laboratory scales, wherein: a kind of material that bullet is selected from lead, lead alloy, copper, iron, tungsten or the heat-treated steel is made.
12. a percussion mechanism that is installed on the shellproof proving installation of laboratory scale, this percussion mechanism comprises:
Have fairshaped bullet, be used for impinge on sample;
A plurality of cylindrical orienting lugs, each orienting lug center all have an orienting lug opening that is used to pass center-pole, and each orienting lug has a plurality of perforates, and position of opening is corresponding with a plurality of fixed bars, is used for fixing passing of bar;
A plurality of cylindrical pouring weights, each pouring weight center all have a pouring weight opening that is used to pass center-pole, and each pouring weight has a plurality of perforates, position of opening is corresponding with a plurality of fixed bars, be used for fixing passing of bar, pouring weight is used to control weight, is used for increasing when bullet falls the impact energy of bullet;
One impact head links to each other with bullet;
A plurality of fixed bars have oval mast type, pass the pouring weight perforate of pouring weight and the orienting lug perforate of orienting lug;
Oval mast type center-pole, central post top portion has an abutment ring, is used for fixing percussion mechanism, is used to allow the percussion mechanism free-falling, and center-pole passes the opening on orienting lug and the pouring weight, and impact head is connected to the center-pole bottom.
13. according to the described percussion mechanism that is installed on the shellproof proving installation of laboratory scale of claim 12, wherein impact head has streamlinedly, and the rotation that a built-in motor is used to drive bullet is installed in the impact head.
14. according to the described percussion mechanism that is installed on the shellproof proving installation of laboratory scale of claim 12, wherein bullet is installed on the impact head, comprises a force cell, is used to detect the suffered impulsive force of bullet.
15. according to the described percussion mechanism that is installed on the shellproof proving installation of laboratory scale of claim 12, wherein a kind of material of being selected from lead, lead alloy, copper, iron, tungsten or the heat-treated steel of bullet is made.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2009-0094803 | 2009-10-06 | ||
| KR1020090094803A KR101105455B1 (en) | 2009-10-06 | 2009-10-06 | lab-Scale Testing apparatus for ballistic Resistance and impact apparatus |
| PCT/KR2009/005738 WO2011043501A1 (en) | 2009-10-06 | 2009-10-08 | Simplified bullet-proof material tester and impactor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102301217A true CN102301217A (en) | 2011-12-28 |
| CN102301217B CN102301217B (en) | 2014-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200980125588.0A Active CN102301217B (en) | 2009-10-06 | 2009-10-08 | Lab-scale testing apparatus for ballistic resistance and impact apparatus |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR101105455B1 (en) |
| CN (1) | CN102301217B (en) |
| WO (1) | WO2011043501A1 (en) |
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| CN102539139A (en) * | 2012-02-14 | 2012-07-04 | 西北工业大学 | Testing device for imitating shot impact on fuel tank of airplane |
| CN104655384A (en) * | 2013-11-22 | 2015-05-27 | 珠海格力电器股份有限公司 | Integrated air deflector shear strength detection device and detection method |
| CN104655384B (en) * | 2013-11-22 | 2017-03-15 | 珠海格力电器股份有限公司 | Integrated air deflector shear strength detection device and detection method |
| CN104374238A (en) * | 2014-11-28 | 2015-02-25 | 西安近代化学研究所 | Gunpowder drop hammer impact test method |
| CN104483265A (en) * | 2014-12-24 | 2015-04-01 | 广东奔朗新材料股份有限公司 | Superhard material grinding tool cutter bit connection strength detection device and measurement and detection method thereof |
| CN107044942A (en) * | 2017-06-16 | 2017-08-15 | 贺州市八步区骐骥安保器械制造厂 | A kind of bullet penetrates force measuring instrument |
| CN107999248A (en) * | 2017-12-13 | 2018-05-08 | 山东理工大学 | A kind of horizontal opposition type stone crusher and ore crushing method |
| CN112539992A (en) * | 2020-12-02 | 2021-03-23 | 山东科技大学 | Hopkinson pressure bar experiment multistage pulse loading device and experiment method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011043501A1 (en) | 2011-04-14 |
| CN102301217B (en) | 2014-02-12 |
| KR101105455B1 (en) | 2012-01-17 |
| KR20110037383A (en) | 2011-04-13 |
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